What do you call a person who blows the trumpet in a castle?
A person who blows a trumpet is a herald.
How do you play the army wake up song on the trumpet using the terms first valve second valve and third valve?
The use of a trumpet or bugle was the means of giving commands on the battlefield. The sound of a trumpet could be heard over the noise of battle. Soldiers, through practice and drill were made familiar with what each trumpet call meant. The use of the bugle on the battlefield continued until the early 20th century.